Occasionally, paper becomes jammed during a print job sent to an HP LaserJet 1100 series product. Some of the causes include the following:
The paper-input trays are loaded improperly or overfilled.
The paper-output path is changed during, rather than before, a print job.
Media that do not meet HP specifications are used.
note:Always remove all paper from the paper input tray and straighten the stack when new paper is added. This helps prevent multiple sheets of paper from feeding through the printer at one time and reduces paper jams. See the sticker that was placed on the printer while setting up the hardware.
The printer notifies of a paper jam by an error in the software and the printer control panel lights.
note:If the printer is multi-feeding, please refer to the document HP LaserJet 6L, 1100, 1100A, 3100, and 3150 Series Products - Multiple Sheets Feed Through the Printer.